Finding the Third Proportional to 2,179.50 and 2,490

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.50 : 2,490 = 2,490 : x
2. Step 2: Convert to fraction form
   2,179.50/2,490 = 2,490/x
3. Step 3: Cross multiply
   2,179.50x = 2,490 × 2,490
4. Step 4: Simplify right side
   2,179.50x = 6,200,100
5. Step 5: Solve for x
   x = 6,200,100/2,179.50
6. Step 6: Final answer
   x = 2,844.74